64561805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{317}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 101291904

約数和(自身を除く): 36730099

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 317, 385, 529, 805, 1265, 1585, 1771, 2219, 2645, 3487, 3703, 5819, 7291, 8855, 11095, 17435, 18515, 24409, 29095, 36455, 40733, 51037, 80201, 122045, 167693, 203665, 255185, 401005, 561407, 838465, 1173851, 1844623, 2807035, 5869255, 9223115, 12912361, 64561805]

約数ペア:

[(1, 64561805), (5, 12912361), (7, 9223115), (11, 5869255), (23, 2807035), (35, 1844623), (55, 1173851), (77, 838465), (115, 561407), (161, 401005), (253, 255185), (317, 203665), (385, 167693), (529, 122045), (805, 80201), (1265, 51037), (1585, 40733), (1771, 36455), (2219, 29095), (2645, 24409), (3487, 18515), (3703, 17435), (5819, 11095), (7291, 8855)]